Question

Minus 5 to the power 3 divided by 5 to the power minus 7

Answer 1

Answer:

(-5)³

______

(5)^(-7)

(5³)

= – ————-

5^(-7)

= -( 5^ ( 3 – (-7)) )

1

= - (5¯⁴) = - ———

5⁴

= - (1/625)

Step-by-step explanation:

remember this

-ve Number ^ (odd no) = sign is -ve in the ans

-ve Number ^ (even no) = sign is +ve in the ans

Eg:

(-5)³ = (-5)×(-5)×(-5) = - (5³) = -125

( 5)² = ( 5)×( 5) = + (5³) = 125

a ¯ ¹ = 1/a

N ^ a

-------- = N ^ (a-b)

N ^ b

Thank you.. :) hope u understood nicely..